Home / 26,342.66-36,366.09-20,360.81

Finding the Fourth Proportional to 26,342.66, 36,366.09 and 20,360.81

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Solution

The fourth proportional to 26,342.66, 36,366.09 and 20,360.81 is: 28,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.66 : 36,366.09 = 20,360.81 : x
  2. Step 2: Convert to fraction form
    26,342.66/36,366.09 = 20,360.81/x
  3. Step 3: Cross multiply
    26,342.66x = 36,366.09 × 20,360.81
  4. Step 4: Simplify right side
    26,342.66x = 740,443,048.93
  5. Step 5: Solve for x
    x = 740,443,048.93/26,342.66
  6. Step 6: Final answer
    x = 28,108.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.